D-Galactose
- Formula: C6H12O6
- Molecular weight: 180.1559
- IUPAC Standard InChI: InChI=1S/C6H12O6/c7-1-3(9)5(11)6(12)4(10)2-8/h1,3-6,8-12H,2H2/t3-,4+,5+,6-/m0/s1
- IUPAC Standard InChIKey: GZCGUPFRVQAUEE-KCDKBNATSA-N
- CAS Registry Number: 59-23-4
- Chemical structure:
This structure is also available as a 2d Mol file - Stereoisomers:
- Other names: Galactose, D-; D-(+)-Galactose; Galactose
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- Comments:
- Although only a single structure is shown, this species may exist in several forms including a linear molecule, a five membered ring and a six membered ring.
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Condensed phase thermochemistry data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°solid,1 bar | 49.09 | cal/mol*K | N/A | Jack and Stegeman, 1941 | crystaline, α phase; Extrapolation below 90 K, 48.95 J/mol*K. |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 51.70 | 300. | Kawaizumi, Nishio, et al., 1981 | T = 270 to 325 K. Cp given as 1.20 J/g*K. |
| 52.710 | 296.9 | Jack and Stegeman, 1941 | crystaline, α phase; T = 64 to 297 K. Value is unsmoothed experimental datum. |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Jack and Stegeman, 1941
Jack, G.W.; Stegeman, G.,
The heat capacities and entropies of two monosaccharides,
J. Am. Chem. Soc., 1941, 63, 2121-2123. [all data]
Kawaizumi, Nishio, et al., 1981
Kawaizumi, F.; Nishio, N.; Nomura, H.; Miyahara, Y.,
Heat-capacity measurements of aqueous solutions of mono-, di-, and tri-saccharides using an isoperibol twin calorimeter,
J. Chem. Thermodynam., 1981, 13, 89-98. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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